Element block pseudo-element :before generated with border 0px rgba(0,0,0,1) solid display block transform overflow hidden text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 1px 1px 1px rgba(0,0,0,0.3) margin 0px float none padding 20px position static transition background height auto border-radius font-weight normal box-sizing content-box width 160px font-size 16px cursor default z-index auto line-height 1